Built tough, utilizing lightweight and super strong structural poly material. Easy to steer design, works great for any application. Popular uses include service, utility and custodial or virtually any transport job. Upper and lower shelves have a cross-braced under carriage to reduce flexing, and support up to 500lb total. Large 5in.Dia. x 1-1/4in.W solid soft tire casters provide easy mobility, with quiet operation. Designed with ergonomic handles and multi-purpose organization tray. Choose from a medium or large capacity cart, depending on your transport needs.